Specification: Item Type: Bluetooth Transmitter Receiver_x000D_Material: ABS_x000D_Bluetooth: 5.0_x000D_Wireless Distance: About 10 Meters/10.9yd_x000D_Connection: 3.5mm Stereo Interface_x000D_Applicable Devices: PCs, for Android and for iOS Cell Phones, Tablets and Other Bluetooth Devices, As Well As Sound Equipment with Sound Input Interface_x000D_Battery Type: Built in 220mAh Lithium Ion Battery Features: 1DOUBLE FUNCTION: Bluetooth transceiver is equipped with both transmit and receive functions, you can turn a non Bluetooth device into a Bluetooth device or forward Bluetooth signals to a non Bluetooth device. 2MULTIFUNCTIONAL: You can transfer sound from Bluetooth devices such as cell phones, tablets, etc. to sound devices with sound input ports, or transfer sound from non Bluetooth devices such as computers, stereos, etc. to Bluetooth headsets. 3HIGH PERFORMANCE BLUETOOTH: Bluetooth transmitter receiver adopts the latest Bluetooth 5.0 technology with more stable and longer wireless transmission distance, about 10 meters wireless connection distance, allowing you to have a freer mobile experience. 4CONVENIENT CONNECTION: Bluetooth adapter supports 3.5mm stereo interface connection, compatible with PCs, for Android, for iOS system cell phones, tablets and other bluetooth devices, as well as sound devices with sound input interface. 5BUILT IN MICROPHONE: The 2 in 1 Bluetooth transceiver receiver is equipped with a built in microphone to support voice call function, which allows you to use your headset for more convenient calls. PackageList: 1 x Transceiver 1 x Data Cable 1 x Instruction Manual